.test{
  height: 100%;
  background-color: #edf1f2;
  .toppic {
    img {
      width: 100%;
      height: 180px;
    }
  }
  .testmain {
    height: 300px;
   
    .test-content {
      height: 256px;
      background: url('../img/bg.png') no-repeat;
      background-size: 100% 256px;
      box-shadow: 0 0 5px grey;
      .tip {
        color: #409EFF;
      }
      button {
        width: 60%;
        height: 44px;
        background-color: rgba($color:#409EFF , $alpha: .3);
        color: #fff;
        outline: none;
        border: 1px solid #409EFF;
        border-radius: 22px;
      }
    }
  }
  .test-header,
  .inst-header {
    height: 44px;
    line-height: 44px;
    text-align: center;
    background-color: #409EFF;
    color: #fff;
    font-size: 18px;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    box-shadow: 0 0 5px grey;
  }
  .inst-content {
    height: 256px;
    background: url('../img/bg.png') no-repeat;
    background-size: 100% 256px;
    box-shadow: 0 0 5px grey;
  }
}